APA (7th ed.) Citation

Whelpton, P. K. (1938). Needed population research. The Science Press Printing Company.

Chicago Style (17th ed.) Citation

Whelpton, Pascal K. Needed Population Research. Lancaster: The Science Press Printing Company, 1938.

MLA (8th ed.) Citation

Whelpton, Pascal K. Needed Population Research. The Science Press Printing Company, 1938.

Warning: These citations may not always be 100% accurate.